function testWith(bool) {
    print(bool !== bool);
    print(bool !== false);
    print(false !== bool);
    print(false !== false);
    
    print(bool !== "24");
    print("86" !== bool);
    
    print(bool !== 4);
    print(4 !== bool);
    
    print(null !== bool);
    print(bool !== null);
    
}

print(true !== true);
print(true !== false);
print(false !== true);
print(false !== false);

testWith(true);
testWith(false);

